{"id":11745,"date":"2025-12-26T11:23:10","date_gmt":"2025-12-26T03:23:10","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=11745"},"modified":"2026-04-02T15:56:04","modified_gmt":"2026-04-02T07:56:04","slug":"selection-of-tool-steel-for-hobs-and-broaches","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/selection-of-tool-steel-for-hobs-and-broaches\/","title":{"rendered":"Selecci\u00f3n de acero para herramientas para fresas madre y brochas"},"content":{"rendered":"<div class=\"wp-block-uagb-container uagb-block-ebab83dd alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<h1 class=\"wp-block-heading\" id=\"h-selection-of-tool-steel-for-hobs-and-broaches\">Selecci\u00f3n de acero para herramientas para fresas madre y brochas<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Las fresas de engranajes son herramientas de corte rotativas que se utilizan para generar dientes de engranajes y otras formas repetitivas, mientras que las brochas son herramientas lineales multidentadas que eliminan material en una sola pasada mediante dientes de tama\u00f1o progresivamente mayor. A pesar de esta diferencia en el movimiento, ambas son herramientas de corte que trabajan bajo altas tensiones localizadas, alta fricci\u00f3n y altas temperaturas en el filo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Durante el corte, la deformaci\u00f3n pl\u00e1stica en la zona de cizallamiento y la fricci\u00f3n en la interfaz herramienta-viruta generan un calor considerable, y las temperaturas del filo pueden alcanzar los 1000 \u00b0C en operaciones exigentes. Las brochas tambi\u00e9n soportan altas cargas estructurales debido a que muchos dientes se acoplan secuencialmente, y el cuerpo de la herramienta debe transmitir grandes fuerzas de tracci\u00f3n o empuje, que a veces alcanzan los 0,9 MN. En estas condiciones, los principales modos de fallo son el desgaste del cr\u00e1ter, el desgaste del flanco, el astillamiento del filo, el entallado por profundidad de corte y el ablandamiento t\u00e9rmico. Por lo tanto, la selecci\u00f3n del acero para herramientas depende de qu\u00e9 modo de fallo limite primero la vida \u00fatil de la herramienta.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Factores de selecci\u00f3n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Para las fresas de engranaje, el requisito principal es la resistencia al desgaste progresivo. Dado que el tallado de engranajes depende de mantener la precisi\u00f3n del perfil del diente durante largas series de producci\u00f3n, el desgaste del flanco y el desgaste del cr\u00e1ter suelen ser m\u00e1s importantes que la resistencia al impacto. En la pr\u00e1ctica, esto significa que la resistencia al desgaste y la dureza en caliente suelen ser m\u00e1s importantes que la m\u00e1xima tenacidad.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En el caso de las brochas, el equilibrio es m\u00e1s exigente. Los dientes de brochado deben resistir el desgaste, pero tambi\u00e9n soportan cargas transversales elevadas, vibraciones y el riesgo de sobrecarga localizada durante la entrada o el corte irregular. Si se exige demasiado a la dureza sin el respaldo suficiente de la tenacidad, el astillamiento o la rotura de los dientes se convierten en un modo de fallo habitual. Por este motivo, los aceros para brochas deben combinar una buena resistencia al desgaste con una resistencia del filo suficiente para soportar cargas de corte reales.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La dureza en caliente cobra mayor importancia a medida que aumenta la temperatura de corte. Al mecanizar aceros aleados, fundiciones duras o aleaciones resistentes al calor, un acero que pierde dureza a temperaturas elevadas se desgastar\u00e1 r\u00e1pidamente, incluso si su dureza a temperatura ambiente es alta. En estos casos, la mejora en la dureza suele deberse al ablandamiento t\u00e9rmico m\u00e1s que a la simple abrasi\u00f3n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Aceros para herramientas recomendados<\/h2>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-df385be8\">\n<h3 class=\"wp-block-heading\" id=\"h-aisi-m2-tool-steel-1-3343-skh51\">Acero para herramientas AISI M2 | 1.3343 | SKH51<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">El M2 sigue siendo el punto de partida est\u00e1ndar tanto para fresas como para brochas, ya que ofrece un equilibrio pr\u00e1ctico entre dureza, tenacidad, disponibilidad y coste de fabricaci\u00f3n. Es adecuado cuando las condiciones de corte son estables y el objetivo principal es un rendimiento fiable, m\u00e1s que una vida \u00fatil m\u00e1xima de la herramienta.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La dureza de corte t\u00edpica es de 64 a 66 HRC. A este nivel, el M2 proporciona una resistencia al desgaste adecuada para muchas aplicaciones generales de tallado y brochado, a la vez que conserva la tenacidad suficiente para una resistencia del filo \u00f3ptima y una fiabilidad del cuerpo de la herramienta adecuada.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Su limitaci\u00f3n se manifiesta cuando el desgaste es demasiado r\u00e1pido o cuando la temperatura de corte supera la capacidad del acero r\u00e1pido est\u00e1ndar. En ese caso, el M2 suele sustituirse no por una falla inmediata, sino porque se desgasta demasiado r\u00e1pido y deja de ser rentable.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\">Enviar consulta ahora<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50 is-style-outline is-style-outline--1\"><a class=\"wp-block-button__link has-ast-global-color-3-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/aobosteel.com\/es\/m2-tool-steel\/\" style=\"background-color:#ffffff00\">Ver detalles de suministro de material M2<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-df385be8\">\n<h3 class=\"wp-block-heading\" id=\"h-aisi-m42-tool-steel-1-3247-skh59\">Acero para herramientas AISI M42 | 1.3247 | SKH59<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">El M42 se utiliza cuando la dureza en caliente es el requisito principal. Con un alto contenido de cobalto y una dureza de hasta 69 HRC, es id\u00f3neo para aleaciones dif\u00edciles de mecanizar, especialmente materiales resistentes al calor y de alta resistencia, donde el calor de corte es la principal causa del r\u00e1pido deterioro del filo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En comparaci\u00f3n con el M2, el M42 ofrece una mayor resistencia al ablandamiento t\u00e9rmico. Sin embargo, no proporciona el mismo margen de tenacidad, por lo que su rendimiento \u00f3ptimo se logra en condiciones de corte estables, con vibraciones y golpes limitados y una buena alineaci\u00f3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En t\u00e9rminos pr\u00e1cticos de selecci\u00f3n, generalmente se prefiere el acero M42 cuando el problema principal es la p\u00e9rdida de resistencia del filo a altas temperaturas, en lugar de la rotura de los dientes por sobrecarga mec\u00e1nica.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50 hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\">Enviar consulta ahora<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50 is-style-outline is-style-outline--2\"><a class=\"wp-block-button__link has-ast-global-color-3-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/aobosteel.com\/es\/m42-tool-steel\/\" style=\"background-color:#ffffff00\">Ver detalles de suministro de material M42<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-df385be8\">\n<h3 class=\"wp-block-heading\">M3 (Clase 2) y M4: Resistencia al desgaste mejorada<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Las clases M3 2 y M4 son una mejora l\u00f3gica cuando la M2 pierde precisi\u00f3n de filo demasiado r\u00e1pido debido al desgaste del flanco o del cr\u00e1ter. Su mayor contenido de carbono y vanadio aumenta el volumen de carburo y mejora la resistencia al desgaste, lo que las hace \u00fatiles para series de producci\u00f3n m\u00e1s largas y materiales de trabajo m\u00e1s abrasivos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El M4 es especialmente relevante cuando el desgaste es el principal factor limitante de la vida \u00fatil y la estabilidad del proceso es buena. La ventaja reside en una mayor resistencia al redondeo de los bordes y a la p\u00e9rdida por abrasi\u00f3n, pero la desventaja es una menor tenacidad en comparaci\u00f3n con el M2.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Las versiones obtenidas mediante metalurgia de polvos refuerzan la idoneidad de estos grados. Su distribuci\u00f3n de carburos m\u00e1s fina y uniforme mejora la fiabilidad estructural y reduce la debilidad asociada a la segregaci\u00f3n de carburos gruesos. Esto resulta especialmente valioso en brochas de gran tama\u00f1o, donde tanto la resistencia al desgaste como la integridad interna son cruciales.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-df385be8\">\n<h3 class=\"wp-block-heading\">T15: Dureza en caliente y resistencia a la abrasi\u00f3n de primera calidad.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">El acero T15 se selecciona cuando se requiere superar la resistencia a la abrasi\u00f3n y la dureza en caliente de los aceros M2 y M4. Su alto contenido de tungsteno, cobalto y vanadio lo hace adecuado para el corte de aceros de alta resistencia, fundiciones duras y aleaciones aeroespaciales que generan altas temperaturas en el filo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Con una dureza de 66\u201368 HRC, el acero T15 mantiene su capacidad de corte en aplicaciones donde los aceros HSS est\u00e1ndar se ablandan con demasiada rapidez. Su resistencia no reside \u00fanicamente en su alta dureza, sino tambi\u00e9n en su capacidad para conservarla mejor bajo altas temperaturas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Su limitaci\u00f3n radica en que el grado de abrasi\u00f3n es m\u00e1s dif\u00edcil y costoso de rectificar y procesar. Esto significa que se justifica su uso cuando la carga t\u00e9rmica y el desgaste abrasivo son lo suficientemente severos como para acortar la vida \u00fatil de los grados M2 o M4, no cuando se trata simplemente de un corte rutinario de uso general.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-df385be8\">\n<h3 class=\"wp-block-heading\">ASP 30: Acero de metalurgia de polvos de alto rendimiento<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">El ASP 30 es un acero de metalurgia de polvos de alta calidad para aplicaciones exigentes donde se requiere mejorar simult\u00e1neamente la resistencia al desgaste y al astillamiento. Su estructura de metalurgia de polvos minimiza la segregaci\u00f3n de carburos y proporciona una microestructura m\u00e1s uniforme, lo que favorece una mayor estabilidad del filo que los aceros r\u00e1pidos convencionales en lingotes con niveles de dureza similares.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Esto hace que el acero ASP 30 sea id\u00f3neo para operaciones exigentes de tallado y brochado, donde los aceros r\u00e1pidos est\u00e1ndar sufren desgaste y microdesprendimiento. En estas aplicaciones, el valor del ASP 30 reside no solo en su mayor durabilidad, sino tambi\u00e9n en un rendimiento m\u00e1s predecible y un menor riesgo de fallo inestable del filo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Debido a su coste, el ASP 30 se justifica generalmente cuando el tiempo de inactividad de las herramientas, la frecuencia de reafilado o la p\u00e9rdida prematura de las mismas suponen una clara penalizaci\u00f3n en la producci\u00f3n. No es la opci\u00f3n por defecto para trabajos rutinarios; es la soluci\u00f3n para operaciones en las que los aceros r\u00e1pidos convencionales ya no ofrecen una rentabilidad estable.<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Tabla de resumen<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Grado de acero para herramientas<\/td><td>Dureza t\u00edpica<\/td><td>Ventaja primaria<\/td><\/tr><tr><td>M2<\/td><td>64\u201366 HRC<\/td><td>El mejor equilibrio general entre resistencia, resistencia al desgaste y coste.<\/td><\/tr><tr><td>M3 (Cl 2) \/ M4<\/td><td>64\u201367 HRC<\/td><td>Mayor resistencia al desgaste para recorridos m\u00e1s largos y condiciones m\u00e1s abrasivas.<\/td><\/tr><tr><td>T15<\/td><td>66\u201368 HRC<\/td><td>Gran dureza en caliente y resistencia a la abrasi\u00f3n para corte a altas temperaturas.<\/td><\/tr><tr><td>M42<\/td><td>Hasta 69 HRC<\/td><td>Alta dureza en caliente para aleaciones resistentes al calor y de alta resistencia.<\/td><\/tr><tr><td>ASP 30 (P\/M)<\/td><td>65\u201367 HRC<\/td><td>Excelente resistencia al desgaste y al astillamiento con uniformidad estructural mejorada.<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Selection of Tool Steel for Hobs and Broaches Hobs are rotary cutting tools used to generate gear teeth and other repeated forms, while broaches are linear multi-tooth tools that remove material in a single pass by means of progressively higher teeth. Despite this difference in motion, both are cutting tools that work under high localized [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"content-type":"knowledge-article","_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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Premium plugin v27.6 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Selection of Tool Steel for Hobs and Broaches | AoboSteel<\/title>\n<meta name=\"description\" content=\"Learn about the selection of tool steel for hobs and broaches to enhance durability and efficiency in cutting operations.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/aobosteel.com\/es\/selection-of-tool-steel-for-hobs-and-broaches\/\" \/>\n<meta property=\"og:locale\" content=\"es_MX\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Selection of Tool Steel for Hobs and Broaches\" \/>\n<meta property=\"og:description\" content=\"Learn about the selection of tool steel for hobs and broaches to enhance durability and efficiency in cutting operations.\" \/>\n<meta property=\"og:url\" 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